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关键在于枚举时,是先确定枚举点(也就起点),再找其它各点到枚举点的距离,这样就一定包含了所有人。

Posted by weide at 2008-09-24 19:52:51 on Problem 1125
In Reply To:关于flyd Posted by:ssadwlll at 2008-07-19 16:08:50


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